Observed at: Ottawa Macdonald-Cartier Int'l Airport
Date: Sunday September 23, 2018 at 16:00 EDT
Mostly Cloudy
Mostly Cloudy
Temp.: 15.4 °C
Wind: NW 16 km/h
Humidity: 63 %
Dew point: 8.5 °C
Pressure: 102.5 kPa
Tendency: falling
Visibility: 24.1 km
Sunrise: 06:50
Sunset: 18:59
Normals:
Max 17°C Min 8°C
Yesterday
  Max: 15.1 °C
  Min: 5.5 °C
  Rainfall: 0.0 mm

 Extended Forecast - Environment Canada
  Monday
Sunny
Sunny
Max: 18°C
Tuesday
Chance of showers (70%)
Chance of showers
Max: 19°C
Wednesday
Chance of showers (60%)
Chance of showers
Max: 21°C
Thursday
A mix of sun and cloud
A mix of sun and cloud
Max: 18°C
Friday
Chance of showers (30%)
Chance of showers
Max: 18°C
Saturday
A mix of sun and cloud
A mix of sun and cloud
Max: 17°C
Sunday night
Chance of showers (30%)
Chance of showers
Min: 5°C
Monday night
Chance of showers (60%)
Chance of showers
Min: 12°C
Tuesday night
Chance of showers (60%)
Chance of showers
Min: 17°C
Wednesday night
Cloudy periods
Cloudy periods
Min: 5°C
Thursday night
Cloudy periods
Cloudy periods
Min: 10°C
Friday night
Cloudy periods
Cloudy periods
Min: 7°C

Forecast

Ottawa (Kanata - Orléans), ON (Issued: Sunday September 23, 2018 at 15:30 EDT)

Tonight
Increasing cloudiness then 30 percent chance of showers this evening. Becoming partly cloudy near midnight. Wind becoming northeast 20 km/h this evening. Low plus 5.
Monday
Sunny. Wind northeast 20 km/h. High 18. UV index 5 or moderate.
Monday night
Increasing cloudiness. 60 percent chance of showers overnight. Wind east 20 km/h becoming light in the evening. Low 12.
Tuesday
Cloudy with 70 percent chance of showers. High 19.
Tuesday night
Cloudy with 60 percent chance of showers. Low 17.
Wednesday
Cloudy with 60 percent chance of showers. High 21.
Wednesday night
Cloudy periods. Low plus 5.
Thursday
A mix of sun and cloud. High 18.
Thursday night
Cloudy periods. Low 10.
Friday
A mix of sun and cloud with 30 percent chance of showers. High 18.
Friday night
Cloudy periods. Low 7.
Saturday
A mix of sun and cloud. High 17.
Averages and extremes
Highest temperature(1939-2011)28.9 °C1961
Lowest temperature(1939-2011)-2.2 °C1947
Average high18.0 °C 
Average low7.6 °C 
Average12.8 °C 
Greatest rainfall(1939-2011)25.0 mm1981
Greatest snowfall(1939-2011)0.0 cm1939
Greatest precipitation(1939-2011)25.0 mm1981
Most snow on the ground(1955-2010)0.0 cm1955
Monthly frequency of precipitation41.0 % 

24 Hour Forecast - Ottawa (Kanata - Orléans), ON

Date/Time
(EDT)
Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
23 September 2018
17:00 15 Mainly cloudy (20%)  Mainly cloudy Low NW 15
18:00 14 Chance of showers (30%)  Chance of showers Low NW 15
19:00 12 Chance of showers (30%)  Chance of showers Low NW 15
20:00 11 Chance of showers (30%)  Chance of showers Low NE 20
21:00 10 Chance of showers (30%)  Chance of showers Low NE 20
22:00 9 Chance of showers (30%)  Chance of showers Low NE 20
23:00 8 Chance of showers (30%)  Chance of showers Low NE 20
24 September 2018
00:00 7 Partly cloudy (10%)  Partly cloudy Low NE 20
01:00 7 Partly cloudy (10%)  Partly cloudy Low NE 20
02:00 6 Partly cloudy (10%)  Partly cloudy Low NE 20
03:00 6 Partly cloudy (10%)  Partly cloudy Low NE 20
04:00 5 Partly cloudy (10%)  Partly cloudy Low NE 20
05:00 5 Partly cloudy (10%)  Partly cloudy Low NE 20
06:00 6 Clear (0%)  Clear Nil NE 20
07:00 7 Sunny (0%)  Sunny Nil NE 20
08:00 8 Sunny (0%)  Sunny Nil NE 20
09:00 9 Sunny (0%)  Sunny Nil NE 20
10:00 10 Sunny (0%)  Sunny Nil NE 20
11:00 11 Sunny (0%)  Sunny Nil NE 20
12:00 13 Sunny (0%)  Sunny Nil E 20
13:00 14 Sunny (0%)  Sunny Nil E 20
14:00 16 Sunny (0%)  Sunny Nil E 20
15:00 17 Sunny (0%)  Sunny Nil E 20
16:00 17 Sunny (0%)  Sunny Nil E 20
 
† Likelihood of Precipitation (LOP) as described in the public forecast as a chance of measurable precipitation for a period of time.
  Nil: 0%
  Low: 40% or below
  Medium: 60% or 70%
  High: Above 70%

Environment Canada